68391720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{189977}}^1$

素因数の和:189994

約数の個数: 48

約数和(自身を含む): 222274260

約数和(自身を除く): 153882540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 189977, 379954, 569931, 759908, 949885, 1139862, 1519816, 1709793, 1899770, 2279724, 2849655, 3419586, 3799540, 4559448, 5699310, 6839172, 7599080, 8548965, 11398620, 13678344, 17097930, 22797240, 34195860, 68391720]

約数ペア:

[(1, 68391720), (2, 34195860), (3, 22797240), (4, 17097930), (5, 13678344), (6, 11398620), (8, 8548965), (9, 7599080), (10, 6839172), (12, 5699310), (15, 4559448), (18, 3799540), (20, 3419586), (24, 2849655), (30, 2279724), (36, 1899770), (40, 1709793), (45, 1519816), (60, 1139862), (72, 949885), (90, 759908), (120, 569931), (180, 379954), (360, 189977)]